package xyz.jfshare.netty.study.server.handler;

import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.codec.DelimiterBasedFrameDecoder;
import io.netty.handler.codec.Delimiters;
import io.netty.handler.codec.string.StringDecoder;
import io.netty.handler.codec.string.StringEncoder;
import io.netty.util.CharsetUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import xyz.jfshare.netty.study.server.service.FriendService;
import xyz.jfshare.netty.study.server.service.MessageService;
import xyz.jfshare.netty.study.server.service.UserService;

@Component
public class ChatServerInitializer extends ChannelInitializer<SocketChannel> {

    private UserService userService;
    private FriendService friendService;
    private MessageService messageService;

    public ChatServerInitializer(UserService userService, FriendService friendService, MessageService messageService) {
        this.userService = userService;
        this.friendService = friendService;
        this.messageService = messageService;
    }

    @Override
    protected void initChannel(SocketChannel ch) throws Exception {
        ChannelPipeline pipeline = ch.pipeline();

        pipeline.addLast(new DelimiterBasedFrameDecoder(1024 * 4, Delimiters.lineDelimiter()));
        pipeline.addLast(new StringDecoder(CharsetUtil.UTF_8));
        pipeline.addLast(new StringEncoder(CharsetUtil.UTF_8));
        pipeline.addLast(new ChatServerHandler(userService,friendService,messageService));
    }
}
